HA12226F Datasheet, PDF (54/86 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12226F/HA12227F
ALC Total Harmonic Distortion vs. Input Level (1)
f = 1kHz, V_CC = 12V
Norm tape
Cal = 0V
Cal = 2.5V
Cal = 5V
1.0
0.1
0.01
−5
0
5
10 15 20 25 30
Input Level Vin (dB) 0dB ≈ 221mVrms
(ALC-OFF, RECOUT ≈ 300mVrms)
ALC Total Harmonic Distortion vs. Input Level (2)
f = 1kHz, V_CC = 12V
Crom tape
Cal = 0V
Cal = 2.5V
Cal = 5V
1.0
0.1
0.01
−5
0
5
10 15 20 25 30
Input Level Vin (dB) 0dB ≈ 221mVrms
(ALC-OFF, RECOUT ≈ 300mVrms)
Rev.6, Dec. 2000, page 54 of 86